180342736 has 60 divisors (see below), whose sum is σ = 417513828. Its totient is φ = 75188736.

The previous prime is 180342733. The next prime is 180342751. The reversal of 180342736 is 637243081.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 148352400 + 31990336 = 12180^2 + 5656^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180342733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25900 + ... + 32116.

Almost surely, 2^180342736 is an apocalyptic number.

180342736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180342736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208756914).

180342736 is an abundant number, since it is smaller than the sum of its proper divisors (237171092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180342736 is a wasteful number, since it uses less digits than its factorization.

180342736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276 (or 6263 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 180342736 is about 13429.1748071131. The cubic root of 180342736 is about 564.9797533664.

The spelling of 180342736 in words is "one hundred eighty million, three hundred forty-two thousand, seven hundred thirty-six".